[IEEE 2010 IEEE/MTT-S International Micr
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Siegel, Peter H.
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Article
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2010
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IEEE
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Over the past three decades interest in the unique spectral measurements offered by terahertz instruments operat ing outside the Earth's atmosphere has grown enormously. Since the historic flight of Cosmos 669 in 1974, and the first THz telescope with cryo-cooled detectors operated on board Salyut 6